THERMOJET PRINTING HEAD Russian patent published in 1995 - IPC

FIELD: information output. SUBSTANCE: to reduce amount of labor in manufacturing thermojet printing head, raise its working frequency, improve the standard of fastening of the plate with nozzles to the resistive board and to control the volume of the ink drop, there are partitions provided between the ink and nozzle chambers, said partitions determining the length of the channel therebetween. The design makes it possible to vary the length, width and height of the channel. The closed thin-walled partition and the stiffener ribs form the preset dimensions of the nozzle and ink chambers and provide for their tightness over the parameter. EFFECT: improved design. 2 cl, 5 dwg